package com.heima.big_event03.utils;

/*
*ThreadLocal工具类
* //在哪里存储静态常量  常量指向token  在拦截器存储
* //所有类都可以调用
 */
public class ThreadLocalUtil {
    //提供ThreadLocal对象
    private static final ThreadLocal THREAD_LOCAL = new ThreadLocal();

    //根据键获取值
    public static <T> T get(){
        return (T) THREAD_LOCAL.get();
    }

    //存储键值对
    public static void set(Object value){
        THREAD_LOCAL.set(value);
    }

    //清除ThreadLocal 防止内存泄露
    public static void remove(){
        THREAD_LOCAL.remove();
    }
}


